Juncture
noun
the shape or manner in which things come together and a connection is made
Similar: articulation, join, joint, junction
noun
a crisis situation or point in time when a critical decision must be made
“at that juncture he had no idea what to do”
Similar: critical point, crossroads
noun
an event that occurs at a critical time
“at such junctures he always had an impulse to leave”
Similar: occasion